40212760 has 32 divisors (see below), whose sum is σ = 103404960. Its totient is φ = 13787136.

The previous prime is 40212749. The next prime is 40212773. The reversal of 40212760 is 6721204.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 71529 + ... + 72088.

It is an arithmetic number, because the mean of its divisors is an integer number (3231405).

Almost surely, 2^40212760 is an apocalyptic number.

40212760 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

40212760 is an abundant number, since it is smaller than the sum of its proper divisors (63192200).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40212760 is a wasteful number, since it uses less digits than its factorization.

40212760 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 143635 (or 143631 counting only the distinct ones).

The product of its (nonzero) digits is 672, while the sum is 22.

The square root of 40212760 is about 6341.3531678972. The cubic root of 40212760 is about 342.6004748999.

Adding to 40212760 its reverse (6721204), we get a palindrome (46933964).

The spelling of 40212760 in words is "forty million, two hundred twelve thousand, seven hundred sixty".